Git (noun)

A contemptible or annoying person, especially one who is lazy or unreliable.

Origin:

The noun git is a british slang word, of uncertain origin. it has been used since the mid-20th century.

Examples:

1. He was called a git by his coworkers for constantly being late to work.
2. She refused to work with that git again, as he always made excuses for not finishing his work on time.
3. The manager told the git to either shape up or ship out.
4. His friends told him that he was acting like a real git, and he needed to change his ways.
5. She called him a git for not showing up to their agreed meeting place.